window-buffer.c - tmux - Rivoreo Source Code Repositories

 /* $OpenBSD$ */

 /*
  * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */

 #include <sys/types.h>

 #include <stdlib.h>
 #include <string.h>
 #include <time.h>

 #include "tmux.h"

 static struct screen	*window_buffer_init(struct window_mode_entry *,
 			     struct cmd_find_state *, struct args *);
 static void		 window_buffer_free(struct window_mode_entry *);
 static void		 window_buffer_resize(struct window_mode_entry *, u_int,
 			     u_int);
 static void		 window_buffer_key(struct window_mode_entry *,
 			     struct client *, struct session *,
 			     struct winlink *, key_code, struct mouse_event *);

 #define WINDOW_BUFFER_DEFAULT_COMMAND "paste-buffer -b '%%'"

 #define WINDOW_BUFFER_DEFAULT_FORMAT \
 	"#{buffer_size} bytes (#{t:buffer_created})"

 static const struct menu_item window_buffer_menu_items[] = {
 	{ "Paste", 'p', NULL },
 	{ "Paste Tagged", 'P', NULL },
 	{ "", KEYC_NONE, NULL },
 	{ "Tag", 't', NULL },
 	{ "Tag All", '\024', NULL },
 	{ "Tag None", 'T', NULL },
 	{ "", KEYC_NONE, NULL },
 	{ "Delete", 'd', NULL },
 	{ "Delete Tagged", 'D', NULL },
 	{ "", KEYC_NONE, NULL },
 	{ "Cancel", 'q', NULL },

 	{ NULL, KEYC_NONE, NULL }
 };

 const struct window_mode window_buffer_mode = {
 	.name = "buffer-mode",
 	.default_format = WINDOW_BUFFER_DEFAULT_FORMAT,

 	.init = window_buffer_init,
 	.free = window_buffer_free,
 	.resize = window_buffer_resize,
 	.key = window_buffer_key,
 };

 enum window_buffer_sort_type {
 	WINDOW_BUFFER_BY_TIME,
 	WINDOW_BUFFER_BY_NAME,
 	WINDOW_BUFFER_BY_SIZE,
 };
 static const char *window_buffer_sort_list[] = {
 	"time",
 	"name",
 	"size"
 };
 static struct mode_tree_sort_criteria *window_buffer_sort;

 struct window_buffer_itemdata {
 	const char	*name;
 	u_int		 order;
 	size_t		 size;
 };

 struct window_buffer_modedata {
 	struct window_pane		 *wp;
 	struct cmd_find_state		  fs;

 	struct mode_tree_data		 *data;
 	char				 *command;
 	char				 *format;

 	struct window_buffer_itemdata	**item_list;
 	u_int				  item_size;
 };

 static struct window_buffer_itemdata *
 window_buffer_add_item(struct window_buffer_modedata *data)
 {
 	struct window_buffer_itemdata	*item;

 	data->item_list = xreallocarray(data->item_list, data->item_size + 1,
 	    sizeof *data->item_list);
 	item = data->item_list[data->item_size++] = xcalloc(1, sizeof *item);
 	return (item);
 }

 static void
 window_buffer_free_item(struct window_buffer_itemdata *item)
 {
 	free((void *)item->name);
 	free(item);
 }

 static int
 window_buffer_cmp(const void *a0, const void *b0)
 {
 	const struct window_buffer_itemdata *const	*a = a0;
 	const struct window_buffer_itemdata *const	*b = b0;
 	int						 result = 0;

 	if (window_buffer_sort->field == WINDOW_BUFFER_BY_TIME)
 		result = (*b)->order - (*a)->order;
 	else if (window_buffer_sort->field == WINDOW_BUFFER_BY_SIZE)
 		result = (*b)->size - (*a)->size;

 	/* Use WINDOW_BUFFER_BY_NAME as default order and tie breaker. */
 	if (result == 0)
 		result = strcmp((*a)->name, (*b)->name);

 	if (window_buffer_sort->reversed)
 		result = -result;
 	return (result);
 }

 static void
 window_buffer_build(void *modedata, struct mode_tree_sort_criteria *sort_crit,
     __unused uint64_t *tag, const char *filter)
 {
 	struct window_buffer_modedata	*data = modedata;
 	struct window_buffer_itemdata	*item;
 	u_int				 i;
 	struct paste_buffer		*pb;
 	char				*text, *cp;
 	struct format_tree		*ft;
 	struct session			*s = NULL;
 	struct winlink			*wl = NULL;
 	struct window_pane		*wp = NULL;

 	for (i = 0; i < data->item_size; i++)
 		window_buffer_free_item(data->item_list[i]);
 	free(data->item_list);
 	data->item_list = NULL;
 	data->item_size = 0;

 	pb = NULL;
 	while ((pb = paste_walk(pb)) != NULL) {
 		item = window_buffer_add_item(data);
 		item->name = xstrdup(paste_buffer_name(pb));
 		paste_buffer_data(pb, &item->size);
 		item->order = paste_buffer_order(pb);
 	}

 	window_buffer_sort = sort_crit;
 	qsort(data->item_list, data->item_size, sizeof *data->item_list,
 	    window_buffer_cmp);

 	if (cmd_find_valid_state(&data->fs)) {
 		s = data->fs.s;
 		wl = data->fs.wl;
 		wp = data->fs.wp;
 	}

 	for (i = 0; i < data->item_size; i++) {
 		item = data->item_list[i];

 		pb = paste_get_name(item->name);
 		if (pb == NULL)
 			continue;
 		ft = format_create(NULL, NULL, FORMAT_NONE, 0);
 		format_defaults(ft, NULL, s, wl, wp);
 		format_defaults_paste_buffer(ft, pb);

 		if (filter != NULL) {
 			cp = format_expand(ft, filter);
 			if (!format_true(cp)) {
 				free(cp);
 				format_free(ft);
 				continue;
 			}
 			free(cp);
 		}

 		text = format_expand(ft, data->format);
 		mode_tree_add(data->data, NULL, item, item->order, item->name,
 		    text, -1);
 		free(text);

 		format_free(ft);
 	}

 }

 static void
 window_buffer_draw(__unused void *modedata, void *itemdata,
     struct screen_write_ctx *ctx, u_int sx, u_int sy)
 {
 	struct window_buffer_itemdata	*item = itemdata;
 	struct paste_buffer		*pb;
 	char				 line[1024];
 	const char			*pdata, *end, *cp;
 	size_t				 psize, at;
 	u_int				 i, cx = ctx->s->cx, cy = ctx->s->cy;

 	pb = paste_get_name(item->name);
 	if (pb == NULL)
 		return;

 	pdata = end = paste_buffer_data(pb, &psize);
 	for (i = 0; i < sy; i++) {
 		at = 0;
 		while (end != pdata + psize && *end != '\n') {
 			if ((sizeof line) - at > 5) {
 				cp = vis(line + at, *end, VIS_OCTAL|VIS_TAB, 0);
 				at = cp - line;
 			}
 			end++;
 		}
 		if (at > sx)
 			at = sx;
 		line[at] = '\0';

 		if (*line != '\0') {
 			screen_write_cursormove(ctx, cx, cy + i, 0);
 			screen_write_puts(ctx, &grid_default_cell, "%s", line);
 		}

 		if (end == pdata + psize)
 			break;
 		end++;
 	}
 }

 static int
 window_buffer_search(__unused void *modedata, void *itemdata, const char *ss)
 {
 	struct window_buffer_itemdata	*item = itemdata;
 	struct paste_buffer		*pb;
 	const char			*bufdata;
 	size_t				 bufsize;

 	if ((pb = paste_get_name(item->name)) == NULL)
 		return (0);
 	if (strstr(item->name, ss) != NULL)
 		return (1);
 	bufdata = paste_buffer_data(pb, &bufsize);
 	return (memmem(bufdata, bufsize, ss, strlen(ss)) != NULL);
 }

 static void
 window_buffer_menu(void *modedata, struct client *c, key_code key)
 {
 	struct window_buffer_modedata	*data = modedata;
 	struct window_pane		*wp = data->wp;
 	struct window_mode_entry	*wme;

 	wme = TAILQ_FIRST(&wp->modes);
 	if (wme == NULL || wme->data != modedata)
 		return;
 	window_buffer_key(wme, c, NULL, NULL, key, NULL);
 }

 static struct screen *
 window_buffer_init(struct window_mode_entry *wme, struct cmd_find_state *fs,
     struct args *args)
 {
 	struct window_pane		*wp = wme->wp;
 	struct window_buffer_modedata	*data;
 	struct screen			*s;

 	wme->data = data = xcalloc(1, sizeof *data);
 	data->wp = wp;
 	cmd_find_copy_state(&data->fs, fs);

 	if (args == NULL || !args_has(args, 'F'))
 		data->format = xstrdup(WINDOW_BUFFER_DEFAULT_FORMAT);
 	else
 		data->format = xstrdup(args_get(args, 'F'));
 	if (args == NULL || args->argc == 0)
 		data->command = xstrdup(WINDOW_BUFFER_DEFAULT_COMMAND);
 	else
 		data->command = xstrdup(args->argv[0]);

 	data->data = mode_tree_start(wp, args, window_buffer_build,
 	    window_buffer_draw, window_buffer_search, window_buffer_menu, data,
 	    window_buffer_menu_items, window_buffer_sort_list,
 	    nitems(window_buffer_sort_list), &s);
 	mode_tree_zoom(data->data, args);

 	mode_tree_build(data->data);
 	mode_tree_draw(data->data);

 	return (s);
 }

 static void
 window_buffer_free(struct window_mode_entry *wme)
 {
 	struct window_buffer_modedata	*data = wme->data;
 	u_int				 i;

 	if (data == NULL)
 		return;

 	mode_tree_free(data->data);

 	for (i = 0; i < data->item_size; i++)
 		window_buffer_free_item(data->item_list[i]);
 	free(data->item_list);

 	free(data->format);
 	free(data->command);

 	free(data);
 }

 static void
 window_buffer_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
 {
 	struct window_buffer_modedata	*data = wme->data;

 	mode_tree_resize(data->data, sx, sy);
 }

 static void
 window_buffer_do_delete(void *modedata, void *itemdata,
     __unused struct client *c, __unused key_code key)
 {
 	struct window_buffer_modedata	*data = modedata;
 	struct window_buffer_itemdata	*item = itemdata;
 	struct paste_buffer		*pb;

 	if (item == mode_tree_get_current(data->data))
 		mode_tree_down(data->data, 0);
 	if ((pb = paste_get_name(item->name)) != NULL)
 		paste_free(pb);
 }

 static void
 window_buffer_do_paste(void *modedata, void *itemdata, struct client *c,
     __unused key_code key)
 {
 	struct window_buffer_modedata	*data = modedata;
 	struct window_buffer_itemdata	*item = itemdata;
 	struct paste_buffer		*pb;

 	if ((pb = paste_get_name(item->name)) != NULL)
 		mode_tree_run_command(c, NULL, data->command, item->name);
 }

 static void
 window_buffer_key(struct window_mode_entry *wme, struct client *c,
     __unused struct session *s, __unused struct winlink *wl, key_code key,
     struct mouse_event *m)
 {
 	struct window_pane		*wp = wme->wp;
 	struct window_buffer_modedata	*data = wme->data;
 	struct mode_tree_data		*mtd = data->data;
 	struct window_buffer_itemdata	*item;
 	int				 finished;

 	finished = mode_tree_key(mtd, c, &key, m, NULL, NULL);
 	switch (key) {
 	case 'd':
 		item = mode_tree_get_current(mtd);
 		window_buffer_do_delete(data, item, c, key);
 		mode_tree_build(mtd);
 		break;
 	case 'D':
 		mode_tree_each_tagged(mtd, window_buffer_do_delete, c, key, 0);
 		mode_tree_build(mtd);
 		break;
 	case 'P':
 		mode_tree_each_tagged(mtd, window_buffer_do_paste, c, key, 0);
 		finished = 1;
 		break;
 	case 'p':
 	case '\r':
 		item = mode_tree_get_current(mtd);
 		window_buffer_do_paste(data, item, c, key);
 		finished = 1;
 		break;
 	}
 	if (finished || paste_get_top(NULL) == NULL)
 		window_pane_reset_mode(wp);
 	else {
 		mode_tree_draw(mtd);
 		wp->flags |= PANE_REDRAW;
 	}
 }
	/* $OpenBSD$ */

	/*
	* Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
	*
	* Permission to use, copy, modify, and distribute this software for any
	* purpose with or without fee is hereby granted, provided that the above
	* copyright notice and this permission notice appear in all copies.
	*
	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
	* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
	* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	*/

	#include <sys/types.h>

	#include <stdlib.h>
	#include <string.h>
	#include <time.h>

	#include "tmux.h"

	static struct screen window_buffer_init(struct window_mode_entry ,
	struct cmd_find_state , struct args );
	static void window_buffer_free(struct window_mode_entry *);
	static void window_buffer_resize(struct window_mode_entry *, u_int,
	u_int);
	static void window_buffer_key(struct window_mode_entry *,
	struct client , struct session ,
	struct winlink , key_code, struct mouse_event );

	#define WINDOW_BUFFER_DEFAULT_COMMAND "paste-buffer -b '%%'"

	#define WINDOW_BUFFER_DEFAULT_FORMAT \
	"#{buffer_size} bytes (#{t:buffer_created})"

	static const struct menu_item window_buffer_menu_items[] = {
	{ "Paste", 'p', NULL },
	{ "Paste Tagged", 'P', NULL },
	{ "", KEYC_NONE, NULL },
	{ "Tag", 't', NULL },
	{ "Tag All", '\024', NULL },
	{ "Tag None", 'T', NULL },
	{ "", KEYC_NONE, NULL },
	{ "Delete", 'd', NULL },
	{ "Delete Tagged", 'D', NULL },
	{ "", KEYC_NONE, NULL },
	{ "Cancel", 'q', NULL },

	{ NULL, KEYC_NONE, NULL }
	};

	const struct window_mode window_buffer_mode = {
	.name = "buffer-mode",
	.default_format = WINDOW_BUFFER_DEFAULT_FORMAT,

	.init = window_buffer_init,
	.free = window_buffer_free,
	.resize = window_buffer_resize,
	.key = window_buffer_key,
	};

	enum window_buffer_sort_type {
	WINDOW_BUFFER_BY_TIME,
	WINDOW_BUFFER_BY_NAME,
	WINDOW_BUFFER_BY_SIZE,
	};
	static const char *window_buffer_sort_list[] = {
	"time",
	"name",
	"size"
	};
	static struct mode_tree_sort_criteria *window_buffer_sort;

	struct window_buffer_itemdata {
	const char *name;
	u_int order;
	size_t size;
	};

	struct window_buffer_modedata {
	struct window_pane *wp;
	struct cmd_find_state fs;

	struct mode_tree_data *data;
	char *command;
	char *format;

	struct window_buffer_itemdata **item_list;
	u_int item_size;
	};

	static struct window_buffer_itemdata *
	window_buffer_add_item(struct window_buffer_modedata *data)
	{
	struct window_buffer_itemdata *item;

	data->item_list = xreallocarray(data->item_list, data->item_size + 1,
	sizeof *data->item_list);
	item = data->item_list[data->item_size++] = xcalloc(1, sizeof *item);
	return (item);
	}

	static void
	window_buffer_free_item(struct window_buffer_itemdata *item)
	{
	free((void *)item->name);
	free(item);
	}

	static int
	window_buffer_cmp(const void a0, const void b0)
	{
	const struct window_buffer_itemdata const a = a0;
	const struct window_buffer_itemdata const b = b0;
	int result = 0;

	if (window_buffer_sort->field == WINDOW_BUFFER_BY_TIME)
	result = (b)->order - (a)->order;
	else if (window_buffer_sort->field == WINDOW_BUFFER_BY_SIZE)
	result = (b)->size - (a)->size;

	/* Use WINDOW_BUFFER_BY_NAME as default order and tie breaker. */
	if (result == 0)
	result = strcmp((a)->name, (b)->name);

	if (window_buffer_sort->reversed)
	result = -result;
	return (result);
	}

	static void
	window_buffer_build(void modedata, struct mode_tree_sort_criteria sort_crit,
	__unused uint64_t tag, const char filter)
	{
	struct window_buffer_modedata *data = modedata;
	struct window_buffer_itemdata *item;
	u_int i;
	struct paste_buffer *pb;
	char text, cp;
	struct format_tree *ft;
	struct session *s = NULL;
	struct winlink *wl = NULL;
	struct window_pane *wp = NULL;

	for (i = 0; i < data->item_size; i++)
	window_buffer_free_item(data->item_list[i]);
	free(data->item_list);
	data->item_list = NULL;
	data->item_size = 0;

	pb = NULL;
	while ((pb = paste_walk(pb)) != NULL) {
	item = window_buffer_add_item(data);
	item->name = xstrdup(paste_buffer_name(pb));
	paste_buffer_data(pb, &item->size);
	item->order = paste_buffer_order(pb);
	}

	window_buffer_sort = sort_crit;
	qsort(data->item_list, data->item_size, sizeof *data->item_list,
	window_buffer_cmp);

	if (cmd_find_valid_state(&data->fs)) {
	s = data->fs.s;
	wl = data->fs.wl;
	wp = data->fs.wp;
	}

	for (i = 0; i < data->item_size; i++) {
	item = data->item_list[i];

	pb = paste_get_name(item->name);
	if (pb == NULL)
	continue;
	ft = format_create(NULL, NULL, FORMAT_NONE, 0);
	format_defaults(ft, NULL, s, wl, wp);
	format_defaults_paste_buffer(ft, pb);

	if (filter != NULL) {
	cp = format_expand(ft, filter);
	if (!format_true(cp)) {
	free(cp);
	format_free(ft);
	continue;
	}
	free(cp);
	}

	text = format_expand(ft, data->format);
	mode_tree_add(data->data, NULL, item, item->order, item->name,
	text, -1);
	free(text);

	format_free(ft);
	}

	}

	static void
	window_buffer_draw(__unused void modedata, void itemdata,
	struct screen_write_ctx *ctx, u_int sx, u_int sy)
	{
	struct window_buffer_itemdata *item = itemdata;
	struct paste_buffer *pb;
	char line[1024];
	const char pdata, end, *cp;
	size_t psize, at;
	u_int i, cx = ctx->s->cx, cy = ctx->s->cy;

	pb = paste_get_name(item->name);
	if (pb == NULL)
	return;

	pdata = end = paste_buffer_data(pb, &psize);
	for (i = 0; i < sy; i++) {
	at = 0;
	while (end != pdata + psize && *end != '\n') {
	if ((sizeof line) - at > 5) {
	cp = vis(line + at, *end, VIS_OCTAL\|VIS_TAB, 0);
	at = cp - line;
	}
	end++;
	}
	if (at > sx)
	at = sx;
	line[at] = '\0';

	if (*line != '\0') {
	screen_write_cursormove(ctx, cx, cy + i, 0);
	screen_write_puts(ctx, &grid_default_cell, "%s", line);
	}

	if (end == pdata + psize)
	break;
	end++;
	}
	}

	static int
	window_buffer_search(__unused void modedata, void itemdata, const char *ss)
	{
	struct window_buffer_itemdata *item = itemdata;
	struct paste_buffer *pb;
	const char *bufdata;
	size_t bufsize;

	if ((pb = paste_get_name(item->name)) == NULL)
	return (0);
	if (strstr(item->name, ss) != NULL)
	return (1);
	bufdata = paste_buffer_data(pb, &bufsize);
	return (memmem(bufdata, bufsize, ss, strlen(ss)) != NULL);
	}

	static void
	window_buffer_menu(void modedata, struct client c, key_code key)
	{
	struct window_buffer_modedata *data = modedata;
	struct window_pane *wp = data->wp;
	struct window_mode_entry *wme;

	wme = TAILQ_FIRST(&wp->modes);
	if (wme == NULL \|\| wme->data != modedata)
	return;
	window_buffer_key(wme, c, NULL, NULL, key, NULL);
	}

	static struct screen *
	window_buffer_init(struct window_mode_entry wme, struct cmd_find_state fs,
	struct args *args)
	{
	struct window_pane *wp = wme->wp;
	struct window_buffer_modedata *data;
	struct screen *s;

	wme->data = data = xcalloc(1, sizeof *data);
	data->wp = wp;
	cmd_find_copy_state(&data->fs, fs);

	if (args == NULL \|\| !args_has(args, 'F'))
	data->format = xstrdup(WINDOW_BUFFER_DEFAULT_FORMAT);
	else
	data->format = xstrdup(args_get(args, 'F'));
	if (args == NULL \|\| args->argc == 0)
	data->command = xstrdup(WINDOW_BUFFER_DEFAULT_COMMAND);
	else
	data->command = xstrdup(args->argv[0]);

	data->data = mode_tree_start(wp, args, window_buffer_build,
	window_buffer_draw, window_buffer_search, window_buffer_menu, data,
	window_buffer_menu_items, window_buffer_sort_list,
	nitems(window_buffer_sort_list), &s);
	mode_tree_zoom(data->data, args);

	mode_tree_build(data->data);
	mode_tree_draw(data->data);

	return (s);
	}

	static void
	window_buffer_free(struct window_mode_entry *wme)
	{
	struct window_buffer_modedata *data = wme->data;
	u_int i;

	if (data == NULL)
	return;

	mode_tree_free(data->data);

	for (i = 0; i < data->item_size; i++)
	window_buffer_free_item(data->item_list[i]);
	free(data->item_list);

	free(data->format);
	free(data->command);

	free(data);
	}

	static void
	window_buffer_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
	{
	struct window_buffer_modedata *data = wme->data;

	mode_tree_resize(data->data, sx, sy);
	}

	static void
	window_buffer_do_delete(void modedata, void itemdata,
	__unused struct client *c, __unused key_code key)
	{
	struct window_buffer_modedata *data = modedata;
	struct window_buffer_itemdata *item = itemdata;
	struct paste_buffer *pb;

	if (item == mode_tree_get_current(data->data))
	mode_tree_down(data->data, 0);
	if ((pb = paste_get_name(item->name)) != NULL)
	paste_free(pb);
	}

	static void
	window_buffer_do_paste(void modedata, void itemdata, struct client *c,
	__unused key_code key)
	{
	struct window_buffer_modedata *data = modedata;
	struct window_buffer_itemdata *item = itemdata;
	struct paste_buffer *pb;

	if ((pb = paste_get_name(item->name)) != NULL)
	mode_tree_run_command(c, NULL, data->command, item->name);
	}

	static void
	window_buffer_key(struct window_mode_entry wme, struct client c,
	__unused struct session s, __unused struct winlink wl, key_code key,
	struct mouse_event *m)
	{
	struct window_pane *wp = wme->wp;
	struct window_buffer_modedata *data = wme->data;
	struct mode_tree_data *mtd = data->data;
	struct window_buffer_itemdata *item;
	int finished;

	finished = mode_tree_key(mtd, c, &key, m, NULL, NULL);
	switch (key) {
	case 'd':
	item = mode_tree_get_current(mtd);
	window_buffer_do_delete(data, item, c, key);
	mode_tree_build(mtd);
	break;
	case 'D':
	mode_tree_each_tagged(mtd, window_buffer_do_delete, c, key, 0);
	mode_tree_build(mtd);
	break;
	case 'P':
	mode_tree_each_tagged(mtd, window_buffer_do_paste, c, key, 0);
	finished = 1;
	break;
	case 'p':
	case '\r':
	item = mode_tree_get_current(mtd);
	window_buffer_do_paste(data, item, c, key);
	finished = 1;
	break;
	}
	if (finished \|\| paste_get_top(NULL) == NULL)
	window_pane_reset_mode(wp);
	else {
	mode_tree_draw(mtd);
	wp->flags \|= PANE_REDRAW;
	}
	}